Epson Projector Emp 820 User Manual

79
4Repeat the operations in steps 2 
and 3 to proceed through the menu 
to more detailed items.
You can exit the Help menu at any time by 
pressing the [Help] button.
Tip :
If the Help function does not provide a solution to the problem, refer to When Having 
Some Trouble (P.80) or When the Indicators Provide No Help (P.83). 

80
When Having Some Trouble
If you are having a problem with the projector, first check the projectors 
indicators.
The projector is provided with the following three indicators. These indicators 
alert you to problems with projector operation.
The following tables show what the indicators mean and how to remedy 
problems that they indicate.
: lit   : flashing   : off
Indicator statusProjector 
statusProblem and remedyReference 
page
Internal problem Stop using the projector, disconnect the 
power cord...

81
Lamp operating 
errorThis can happen when the power cord was 
disconnected from the electrical outlet before 
the cool-down period had finished the last 
time the projector was turned off. 
When turning off the projector, wait 2 
minutes. After about 2 minutes, the cooling 
fan will stop. When the cooling fan stops, 
disconnect the power plug and then re-insert 
it. When the power cord is plugged back in, 
the projector will return to its previous state, 
so press the [Power] button on either the...

82
Tip :
 If the projector is not operating properly even though the indicators are all showing 
normal, refer to When the Indicators Provide No Help on the following page.
 If an indicator is showing a status which does not appear in the previous tables, 
contact your dealer or the nearest address provided at “International Warranty 
Conditions” in Safety Instructions/World-Wide Warranty Terms included in the 
package.
High-speed 
cooling in 
progress(This is not an abnormality, but if the...

83
When the Indicators Provide No Help
If any of the following problems occur and the indicators do not offer a 
solution, refer to the pages given for each problem.
No images appear (Nothing at all appears)
No images appear
Poor image quality
Only part of the image is 
displayed
(Large/small)
Images appear dark(P.83, 84)
(P.85, 86)
(P.87)
(P.87) The image colors are not 
right
No sound can be heard
The remote control does not 
work
The power does not turn off(P.88)
(P.89)
(P.90)
(P.90)
Is the...

84
No images appear (Messages do appear)
Check the mode which corresponds to the frequency 
of the image signals being output from the computer.
Refer to the documentation provided with your computer 
for details on changing the resolution and frequency of the 
image signals being output from the computer. (P.106)
Does the input signal match the connected source?
Use the Comp1 Input or Comp2/YCbCr Input command 
in the Setting menu to select the signal format that matches 
the connected source.
For...

85
Poor image quality
Has the focus been adjusted correctly?
(P.46)
Has the front adjustable foot been adjusted so that the 
image angle is too big?
If the image angle is too big, the image will be out of focus 
vertically. (P.42)
Is the projector at the correct distance?
The recommended distance from the projector to the screen 
is within  0.9 – 12.4 m (3.0 – 40.7 ft.). Set up the projector 
so that the projection distance is within this range. (P.18)
Is the projector beam perpendicular to the...

86Are the cables connected correctly?
(P.19 – P.33)
Has the correct resolution been selected?
Set the computer so that the signals that are output are 
compatible with this projector. Refer to the documentation 
provided with your computer for details on changing the 
settings. (P.106)
Have the synchronization
, tracking and display 
position been adjusted correctly?
Press the [Auto] button to adjust these settings. You can 
also use the menus to make the adjustment. (P.46, 63)
Is an extension cable...

87
Only part of the image is displayed (Large/small)
Images appear dark
The [Resize] setting may not be selected correctly.
Press the [Resize] button. (P.41, 55)
Has the Po s i t io n setting been adjusted correctly?
Use the Position command in the Vide o menu to adjust.
(P.63)
Has the correct resolution been selected?
Set the computer so that the signals that are output are 
compatible with this projector. Refer to the documentation 
provided with your computer for details on changing the 
settings....

88
The image colors are not right
Has the image brightness been adjusted correctly?
Video - Brightness (P.63)
Are the cables connected correctly?
(P.19 – P.33)
Has the image contrast
 been adjusted correctly?
Video - Contrast (P.63)
Has the color been adjusted correctly?
Video - Color Mode (P.63)
Have the color intensity and tint been adjusted 
correctly?
(The colors may not exactly match the colors in the image 
on the computer screen or LCD screen, but this is normal 
and is not the sign of a...